Flames || Sequel to Feathers

Sequel to Feathers:

So the battle begins. Due to the queen of hell, Zandriel, kicking all demons out of hell, the creatures are starting to infest earth. That many demons on one small planet tend to cause a few problems and only one species are able to sort them all out. Angels.

Castiel was just a normal teenage boy apart from the small fragment of the fact that he had wings. With the help of his trusted boyfriend Dean Winchester, he had passed all of his stages and was now able to use his powers to the full extent. With his older sister, Zandriel asking him for help, he contemplates on whether he should trust her or not,down to the fact that she was now slowly turning into the most dark and powerful demon. Castiel and Dean have to embark on a lethal and dangerous mission to finally rid the world of all demons by either killing them or saving them and sending them to heaven to become lower class angels. But what happens when demons start to find a way to turn humans into angels?